216016-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216016-30-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,0,1 and 6 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 216016-30:
(8*2)+(7*1)+(6*6)+(5*0)+(4*1)+(3*6)+(2*3)+(1*0)=87
87 % 10 = 7
So 216016-30-7 is a valid CAS Registry Number.